From 2e2aef7d5a8ac9d1c9b2c07a9fc96a7908d51d72 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 29 Apr 2006 12:26:46 -0300 Subject: V4L/DVB (4008): Audio soft reset improvements The soft reset (de)assert commands where not at the right place. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx25840/cx25840-audio.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) (limited to 'drivers/media') diff --git a/drivers/media/video/cx25840/cx25840-audio.c b/drivers/media/video/cx25840/cx25840-audio.c index b67ad4deff8..f897c1ebd5f 100644 --- a/drivers/media/video/cx25840/cx25840-audio.c +++ b/drivers/media/video/cx25840/cx25840-audio.c @@ -30,10 +30,6 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq) if (freq != 32000 && freq != 44100 && freq != 48000) return -EINVAL; - /* assert soft reset */ - if (!state->is_cx25836) - cx25840_and_or(client, 0x810, ~0x1, 0x01); - /* common for all inputs and rates */ /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x10 */ cx25840_write(client, 0x127, 0x50); @@ -152,10 +148,6 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq) } } - /* deassert soft reset */ - if (!state->is_cx25836) - cx25840_and_or(client, 0x810, ~0x1, 0x00); - state->audclk_freq = freq; return 0; @@ -168,6 +160,10 @@ void cx25840_audio_set_path(struct i2c_client *client) /* stop microcontroller */ cx25840_and_or(client, 0x803, ~0x10, 0); + /* assert soft reset */ + if (!state->is_cx25836) + cx25840_and_or(client, 0x810, ~0x1, 0x01); + /* Mute everything to prevent the PFFT! */ cx25840_write(client, 0x8d3, 0x1f); @@ -185,6 +181,10 @@ void cx25840_audio_set_path(struct i2c_client *client) set_audclk_freq(client, state->audclk_freq); + /* deassert soft reset */ + if (!state->is_cx25836) + cx25840_and_or(client, 0x810, ~0x1, 0x00); + if (state->aud_input != CX25840_AUDIO_SERIAL) { /* When the microcontroller detects the * audio format, it will unmute the lines */ @@ -323,7 +323,11 @@ int cx25840_audio(struct i2c_client *client, unsigned int cmd, void *arg) cx25840_and_or(client, 0x803, ~0x10, 0); cx25840_write(client, 0x8d3, 0x1f); } + if (!state->is_cx25836) + cx25840_and_or(client, 0x810, ~0x1, 1); retval = set_audclk_freq(client, *(u32 *)arg); + if (!state->is_cx25836) + cx25840_and_or(client, 0x810, ~0x1, 0); if (state->aud_input != CX25840_AUDIO_SERIAL) { cx25840_and_or(client, 0x803, ~0x10, 0x10); } -- cgit v1.2.3